How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Ben 96.62 Gavin 121.6 In
+0.5
Scott 86.5 Andrew 133.04 -0.1
Will 60.56 Jordan 94.06 +0.0
Craig 85.58 Ross 81.08 +0.2
If winner is:HomeTieAway
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Jordan vs Gavin-0.4-0.2+0.3
Will vs Andrew+0.3-0.1-0.1
Ben vs Ross-0.1-0.1+0.1

What If

Chances based on how well the Gavin finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678Count
92-0-0In20503050,426,337
8.51-0-1In12772152,907
81-1-0In11876551,918,829
0-0-2In120782123
7.50-1-1In703072,983
70-2-0In5141710,601,829
Total:In9315361113,173,008
Games Above .500
Chance Will Make Playoffs